TAPE ADJUSTMENTS
2. MOTOR REPLACEMENT AND SPEED ADJUSTMENT
(1) Motor replacement
1. Seeillustration at right.
(2) Motor speed
1. Insert the test tape (MIT-111 or etc. 3,000 Hz) into DECK’A’
MOTOR SPEED ADJ.
2. Press the PLAY button.
3. Adjust VR301 so that the frequency counter show a reading
)
Q
VR301
of 3,000 Hz.
4. Press the STOP button.
3. CHECKING THE MECHANISM TORQUES
● Clean the head, capstan and pinch roller before making any
measurement.
DECK “ A & B“
Maasureent
Tak&up torque
Back tension
Tape tension
Cassette for
PLAY :TW-2111A
PIAY:TW-2111A
Drive-power cassette
measurement
F.FWDIREW : TW-2231
TW-2412
PIAY
30- 60gr.cm
2.0- 5.Ogr.cm
60 gr or more
F. FWDIREW
55- 120gr.cm
-14-
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